Auteur: Thomas Hochstein Date: À: exim-users Sujet: Re: [exim] Exim gets constantly the same mail,
sent from ourcustomer (gagabay)
Arthur Hagen schrieb:
> There's many things that are required according to RFCs that are
> impractical on the modern day Internet. The mandated 10 minute timeout
> is one of these [...] Similar for mail, where spammers in particular don't play
> nice, and may not bother about niceties like QUIT and a TCP negotiated
> FIN/FIN+ACK/ACK sequence, but just drop the connection to save a few
> milliseconds. To hell with the server; the spammer saving time is much
> more important to the spammer.
Alright, but that does not explain why one does not honor the timeout on
the *sending* side.
> In either case, the correct fix (IMHO) is to thump the PIX device
> repeatedly over the head of whoever decided to buy it, while chanting
> "do not ever buy black box security devices".
